static struct fw_xfer *
fwmem_xfer_req(
struct fw_device *fwdev,
caddr_t sc,
int spd,
int slen,
int rlen,
void *hand)
{
struct fw_xfer *xfer;
xfer = fw_xfer_alloc(M_FWMEM);
if (xfer == NULL)
return NULL;
xfer->fc = fwdev->fc;
xfer->send.hdr.mode.hdr.dst = FWLOCALBUS | fwdev->dst;
if (spd < 0)
xfer->send.spd = fwdev->speed;
else
xfer->send.spd = min(spd, fwdev->speed);
xfer->hand = hand;
xfer->sc = sc;
xfer->send.pay_len = slen;
xfer->recv.pay_len = rlen;
return xfer;
}
/* Async. stream output */
static void
fwe_as_output(struct fwe_softc *fwe, struct ifnet *ifp)
{
struct mbuf *m;
struct fw_xfer *xfer;
struct fw_xferq *xferq;
struct fw_pkt *fp;
int i = 0;
xfer = NULL;
xferq = fwe->fd.fc->atq;
while (xferq->queued < xferq->maxq) {
IF_DEQUEUE(&ifp->if_snd, m);
if (m == NULL)
break;
xfer = fw_xfer_alloc();
if (xfer == NULL) {
return;
}
#if __FreeBSD_version >= 500000
BPF_MTAP(ifp, m);
#else
if (ifp->if_bpf != NULL)
bpf_mtap(ifp, m);
#endif
xfer->send.off = 0;
xfer->spd = 2;
xfer->fc = fwe->fd.fc;
xfer->retry_req = fw_asybusy;
xfer->sc = (caddr_t)fwe;
xfer->act.hand = fwe_output_callback;
/* keep ip packet alignment for alpha */
M_PREPEND(m, ALIGN_PAD, M_DONTWAIT);
fp = (struct fw_pkt *)&xfer->dst; /* XXX */
xfer->dst = *((int32_t *)&fwe->pkt_hdr);
fp->mode.stream.len = htons(m->m_pkthdr.len);
xfer->send.buf = (caddr_t) fp;
xfer->mbuf = m;
xfer->send.len = m->m_pkthdr.len + HDR_LEN;
i++;
if (fw_asyreq(xfer->fc, -1, xfer) != 0) {
/* error */
ifp->if_oerrors ++;
/* XXX set error code */
fwe_output_callback(xfer);
} else {
ifp->if_opackets ++;
}
}
#if 0
if (i > 1)
printf("%d queued\n", i);
#endif
if (xfer != NULL)
xferq->start(xfer->fc);
}
static void
fwe_init(void *arg)
{
struct fwe_softc *fwe = ((struct fwe_eth_softc *)arg)->fwe;
struct firewire_comm *fc;
struct ifnet *ifp = fwe->eth_softc.ifp;
struct fw_xferq *xferq;
struct fw_xfer *xfer;
struct mbuf *m;
int i;
FWEDEBUG(ifp, "initializing\n");
/* XXX keep promiscoud mode */
ifp->if_flags |= IFF_PROMISC;
fc = fwe->fd.fc;
if (fwe->dma_ch < 0) {
fwe->dma_ch = fw_open_isodma(fc, /* tx */0);
if (fwe->dma_ch < 0)
return;
xferq = fc->ir[fwe->dma_ch];
xferq->flag |= FWXFERQ_EXTBUF |
FWXFERQ_HANDLER | FWXFERQ_STREAM;
fwe->stream_ch = stream_ch;
fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch;
xferq->flag &= ~0xff;
xferq->flag |= fwe->stream_ch & 0xff;
/* register fwe_input handler */
xferq->sc = (caddr_t) fwe;
xferq->hand = fwe_as_input;
xferq->bnchunk = rx_queue_len;
xferq->bnpacket = 1;
xferq->psize = MCLBYTES;
xferq->queued = 0;
xferq->buf = NULL;
xferq->bulkxfer = (struct fw_bulkxfer *) malloc(
sizeof(struct fw_bulkxfer) * xferq->bnchunk,
M_FWE, M_WAITOK);
if (xferq->bulkxfer == NULL) {
printf("if_fwe: malloc failed\n");
return;
}
STAILQ_INIT(&xferq->stvalid);
STAILQ_INIT(&xferq->stfree);
STAILQ_INIT(&xferq->stdma);
xferq->stproc = NULL;
for (i = 0; i < xferq->bnchunk; i ++) {
m = m_getcl(M_WAITOK, MT_DATA, M_PKTHDR);
xferq->bulkxfer[i].mbuf = m;
m->m_len = m->m_pkthdr.len = m->m_ext.ext_size;
STAILQ_INSERT_TAIL(&xferq->stfree,
&xferq->bulkxfer[i], link);
}
STAILQ_INIT(&fwe->xferlist);
for (i = 0; i < TX_MAX_QUEUE; i++) {
xfer = fw_xfer_alloc(M_FWE);
if (xfer == NULL)
break;
xfer->send.spd = tx_speed;
xfer->fc = fwe->fd.fc;
xfer->sc = (caddr_t)fwe;
xfer->hand = fwe_output_callback;
STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link);
}
} else
xferq = fc->ir[fwe->dma_ch];
/* start dma */
if ((xferq->flag & FWXFERQ_RUNNING) == 0)
fc->irx_enable(fc, fwe->dma_ch);
#if defined(__FreeBSD__)
ifp->if_drv_flags |= IFF_DRV_RUNNING;
ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
#else
ifp->if_flags |= IFF_RUNNING;
ifp->if_flags &= ~IFF_OACTIVE;
#endif
#if 0
/* attempt to start output */
fwe_start(ifp);
#endif
}
static void
fwip_init(void *arg)
{
struct fwip_softc *fwip = ((struct fwip_eth_softc *)arg)->fwip;
struct firewire_comm *fc;
struct ifnet *ifp = fwip->fw_softc.fwip_ifp;
struct fw_xferq *xferq;
struct fw_xfer *xfer;
struct mbuf *m;
int i;
FWIPDEBUG(ifp, "initializing\n");
fc = fwip->fd.fc;
#define START 0
if (fwip->dma_ch < 0) {
fwip->dma_ch = fw_open_isodma(fc, /* tx */0);
if (fwip->dma_ch < 0)
return;
xferq = fc->ir[fwip->dma_ch];
xferq->flag |= FWXFERQ_EXTBUF |
FWXFERQ_HANDLER | FWXFERQ_STREAM;
xferq->flag &= ~0xff;
xferq->flag |= broadcast_channel & 0xff;
/* register fwip_input handler */
xferq->sc = (caddr_t) fwip;
xferq->hand = fwip_stream_input;
xferq->bnchunk = rx_queue_len;
xferq->bnpacket = 1;
xferq->psize = MCLBYTES;
xferq->queued = 0;
xferq->buf = NULL;
xferq->bulkxfer = (struct fw_bulkxfer *) malloc(
sizeof(struct fw_bulkxfer) * xferq->bnchunk,
M_FWIP, M_WAITOK);
if (xferq->bulkxfer == NULL) {
printf("if_fwip: malloc failed\n");
return;
}
STAILQ_INIT(&xferq->stvalid);
STAILQ_INIT(&xferq->stfree);
STAILQ_INIT(&xferq->stdma);
xferq->stproc = NULL;
for (i = 0; i < xferq->bnchunk; i ++) {
m = m_getcl(M_WAITOK, MT_DATA, M_PKTHDR);
xferq->bulkxfer[i].mbuf = m;
m->m_len = m->m_pkthdr.len = m->m_ext.ext_size;
STAILQ_INSERT_TAIL(&xferq->stfree,
&xferq->bulkxfer[i], link);
}
fwip->fwb.start = INET_FIFO;
fwip->fwb.end = INET_FIFO + 16384; /* S3200 packet size */
/* pre-allocate xfer */
STAILQ_INIT(&fwip->fwb.xferlist);
for (i = 0; i < rx_queue_len; i ++) {
xfer = fw_xfer_alloc(M_FWIP);
if (xfer == NULL)
break;
m = m_getcl(M_WAITOK, MT_DATA, M_PKTHDR);
xfer->recv.payload = mtod(m, uint32_t *);
xfer->recv.pay_len = MCLBYTES;
xfer->hand = fwip_unicast_input;
xfer->fc = fc;
xfer->sc = (caddr_t)fwip;
xfer->mbuf = m;
STAILQ_INSERT_TAIL(&fwip->fwb.xferlist, xfer, link);
}
fw_bindadd(fc, &fwip->fwb);
STAILQ_INIT(&fwip->xferlist);
for (i = 0; i < TX_MAX_QUEUE; i++) {
xfer = fw_xfer_alloc(M_FWIP);
if (xfer == NULL)
break;
xfer->send.spd = tx_speed;
xfer->fc = fwip->fd.fc;
xfer->sc = (caddr_t)fwip;
xfer->hand = fwip_output_callback;
STAILQ_INSERT_TAIL(&fwip->xferlist, xfer, link);
}
} else
